ADTRAN Holdings, Inc. — 4/A Filings
82 4/A filings on record
This page lists all 4/A filings submitted to the SEC by ADTRAN Holdings, Inc. (ADTN), sorted by most recent first. Each row links to the full filing on EdgarLookup. ADTRAN Holdings, Inc. has filed 82 4/A documents with the SEC since 2017. To view all SEC filings by ADTRAN Holdings, Inc., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
11-K/A
144
15-12G
25-NSE
3
3/A
4
4/A
425
5
8-K
8-K/A
8-K12B
ARS
ARS/A
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
S-3
S-3ASR
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | 4/A | 0001193125-26-093935 | Mar 5, 2026 | Jan 24, 2025 |
| 4/A | 4/A | 0001193125-26-031745 | Jan 30, 2026 | Jan 26, 2026 |
| 4/A | 4/A | 0000950170-24-084280 | Jul 17, 2024 | Jul 13, 2024 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-22-049094 | Sep 8, 2022 | Sep 1, 2022 |
| 4/A | PRIMARY DOCUMENT | 0000926282-22-000052 | Sep 2, 2022 | Aug 23, 2022 |
| 4/A | PRIMARY DOCUMENT | 0000926282-22-000051 | Sep 2, 2022 | Aug 11, 2022 |
| 4/A | PRIMARY DOCUMENT | 0000926282-22-000006 | Jan 24, 2022 | Dec 31, 2021 |
| 4/A | PRIMARY DOCUMENT | 0000926282-21-000088 | Dec 20, 2021 | Nov 17, 2021 |
| 4/A | PRIMARY DOCUMENT | 0000926282-21-000087 | Dec 20, 2021 | Nov 17, 2021 |
| 4/A | PRIMARY DOCUMENT | 0000926282-21-000086 | Dec 7, 2021 | Nov 17, 2021 |
| 4/A | PRIMARY DOCUMENT | 0000926282-21-000073 | Nov 19, 2021 | Nov 17, 2021 |
| 4/A | PRIMARY DOCUMENT | 0000926282-21-000039 | Sep 7, 2021 | Jan 18, 2020 |
| 4/A | PRIMARY DOCUMENT | 0000926282-21-000019 | Mar 8, 2021 | Dec 3, 2020 |
| 4/A | PRIMARY DOCUMENT | 0000926282-20-000052 | Dec 3, 2020 | Nov 16, 2020 |
| 4/A | PRIMARY DOCUMENT | 0000926282-20-000047 | Dec 3, 2020 | Nov 11, 2020 |
| 4/A | PRIMARY DOCUMENT | 0000926282-20-000051 | Dec 3, 2020 | Nov 16, 2020 |
| 4/A | PRIMARY DOCUMENT | 0001773229-20-000022 | Mar 10, 2020 | Nov 12, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001770330-19-000011 | May 24, 2019 | Dec 31, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001770330-19-000009 | May 24, 2019 | Dec 31, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001770330-19-000010 | May 24, 2019 | Dec 31, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001766181-19-000011 | Feb 25, 2019 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001766181-19-000012 | Feb 25, 2019 | Nov 18, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001766181-19-000013 | Feb 25, 2019 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001766181-19-000009 | Feb 25, 2019 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001766181-19-000010 | Feb 25, 2019 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000097 | Nov 21, 2018 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000095 | Nov 21, 2018 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000094 | Nov 21, 2018 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000093 | Nov 21, 2018 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000096 | Nov 21, 2018 | Nov 9, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000090 | Nov 20, 2018 | Nov 18, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001179022-18-000092 | Nov 20, 2018 | Nov 18, 2018 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-16-120496 | May 16, 2016 | Feb 8, 2016 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-15-014689 | Feb 17, 2015 | May 14, 2014 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006596 | Feb 5, 2013 | Nov 7, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006273 | Feb 4, 2013 | Nov 7, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006271 | Feb 4, 2013 | Nov 7, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006269 | Feb 4, 2013 | Nov 7, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006265 | Feb 4, 2013 | Nov 7, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006262 | Feb 4, 2013 | Nov 6, 2011 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006258 | Feb 4, 2013 | Nov 6, 2011 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006248 | Feb 4, 2013 | Nov 6, 2011 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-13-006246 | Feb 4, 2013 | Nov 6, 2011 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-12-039019 | Jul 25, 2012 | Jul 13, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-11-001275 | Jan 4, 2011 | Nov 15, 2007 |
| 4/A | PRIMARY DOCUMENT | 0001179022-09-000012 | Feb 12, 2009 | Oct 30, 2008 |
| 4/A | PRIMARY DOCUMENT | 0001179022-09-000011 | Feb 12, 2009 | Oct 30, 2008 |
| 4/A | PRIMARY DOCUMENT | 0001179022-08-000160 | Nov 10, 2008 | Nov 6, 2008 |
| 4/A | PRIMARY DOCUMENT | 0001179022-07-000048 | Mar 13, 2007 | Dec 31, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001179022-07-000046 | Mar 13, 2007 | Dec 31, 2006 |